TABLE 5.
Comparison of subpopulations of Chinese Spring × Ae. speltoides hybrids with indicated QTL increasing homeologous chromosome pairing in hybrids relative to subpopulations devoid of all such QTL (background) or having fewer of them, and the effect of substitution of the b-haplotypes for the a-haplotypes at indicated loci on the mean chiasma number per cell in subpopulations of Chinese Spring × Ae. speltoides hybrids
| QTL | No. of hybrids in smaller subpopulation | Chiasmata per cell | Compared QTL effects | QTL effect (chiasmata per cell) | Fa | Probability |
|---|---|---|---|---|---|---|
| Background | 7.0 | — | — | — | — | |
| 3S | 23 | 15.4 | 3Svs. background | 8.4 | 390.1 | <0.001 |
| 5S | 62 | 8.6 | 5Svs. background | 1.6 | 6.9 | 0.001 |
| 7S | 52 | 12.4 | 7Svs. background | 5.8 | 115.0 | <0.001 |
| 3S + 7S | 23 | 15.1 | 3S + 7S vs. 3S | 0.5 | 1.1 | 0.289 |
| 3S + 5S | 15 | 15.2 | 3S + 5S vs. 3S | 0.1 | 0.1 | 0.879 |
| 7S + 5S | 31 | 14.2 | 7S + 5S vs. 7S | 1.8 | 15.2 | <0.001 |
| 3S + 5S + 7S | 19 | 16.4 | 3S + 5S + 7Svs. 3S + 7S | 0.8 | 4.1 | 0.049 |
a
F-value from one-way ANOVA.